Finding the Fourth Proportional to 161,149.72, 241,705.32 and 42,830.14

Step by Step Solution

1. Step 1: Write the proportion equation
   161,149.72 : 241,705.32 = 42,830.14 : x
2. Step 2: Convert to fraction form
   161,149.72/241,705.32 = 42,830.14/x
3. Step 3: Cross multiply
   161,149.72x = 241,705.32 × 42,830.14
4. Step 4: Simplify right side
   161,149.72x = 10,352,272,694.34
5. Step 5: Solve for x
   x = 10,352,272,694.34/161,149.72
6. Step 6: Final answer
   x = 64,240.09